Download CD3000M-3PH Thyristor Unit

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CD3000M-3PH from 15A to 90A
User’s Manual
7.6 Diagram of control connection from size 35A to 100A
Caution: this procedure must be performed only by qualified persons.
CT1
CT2
CT3
NOTE:
•
* The user installation must be protecting by electromagnetic circuit breaker or by fuse isolator.
•
*² The auxiliary voltage supply of the CD3000M unit must be synchronized with load voltage power
supply. If the Auxiliary Voltage (written on the identification label) is different from Supply Voltage
(to the load), use an external transformer as designated.
•
The Current Transformer (CT1, CT2, CT3) must be mounted only with the HB option.
•
To work, the Reset Contact on terminal 3 and 4 must be closed.
Load Type
T1
T2
Delta
T3
T1
T2
T3 L1 L3 L2
Open Delta
T1
T2
Star
20
T3
T1
T2
T3
Star + Neutral
N